Development of Active Reflector of the 30-Meter FAST Model - art. no. 70184A

被引：0

作者：

Wang, Qi-ming ^{[1
]}

Zhu, Lichun ^{[1
]}

Nan, Rendong ^{[1
]}

机构：

[1] Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China

来源：

ADVANCED OPTICAL AND MECHANICAL TECHNOLOGIES IN TELESCOPES AND INSTRUMENTATION, PTS 1-3 | 2008年 / 7018卷

关键词：

Large radio telescope; Active reflector; Cable mesh; FAST model;

D O I：

10.1117/12.790625

中图分类号：

V [航空、航天];

学科分类号：

08 ; 0825 ;

摘要：

FAST is an Arecibo type large radio telescope with 500 meters aperture reflector, which is composed of about 4600 triangle panels. The panels and back structures are installed on the spring cable meshes. FAST adopts the active reflection Structure to change the spherical difference, which will form a simulataneous parabola with aperture of 300 meters. To test the feasibility of this new type reflector structure, a FAST model of 30 meters aperture was constructed in 2005. In this paper, the structure of the model is introduced, which includes a circle supporting girder of 30 meters in diameter, 252 panel back structures, 472 main cables. and 145 sets of control cables, nodes, actuators and anchors. The structural design and analysis are processed for these compositions, and the test results of the model reflector are given. The work of the paper will provide a significant reference for the primary design of FAST reflector.

引用

页码：A184 / A184

页数：8

共 23 条

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